function WaiMai() {
}

// Global function清除tips
WaiMai.ClearTips = function (tipID) {
    var tip = document.getElementById(tipID);
    tip.innerHTML = "";
}
// 获得随机数
WaiMai.GetRandomCode = function () {
    var authCode = Math.random() * 10000 + 1000 + "";
    authCode = authCode.substring(0, 4);
    return authCode;
}

// User center function
WaiMai.UserCenter = function () { }
// 邮箱验证
WaiMai.UserCenter.IsRightEmailFormat = function (email) {
    if (/(\S)+[@]{1}(\S)+[.]{1}(\w)+/.test(email)) {
        return true;
    } else {
        return false;
    }
}

// 电话号码验证
WaiMai.UserCenter.IsRightPhoneNumFormat = function (phoneNum) {
    if (/^(0[0-9]{2,3}\-)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?$|(^(13[0-9]|14[0-9]|15[0|2|3|6|7|8|9]|18[3|6|7|8|9])\d{8}$)/.test(phoneNum)) {
        return true;
    } else {
        return false;
    }
}

// 购买商品
function buy(userName,goodsId){
	// 请注意SAE和非SAE版本的区别
	var isSAE = false;
	var pathName = window.location.pathname.substring(1);   
    var webName = pathName == '' ? '' : pathName.substring(0, pathName.indexOf('/'));   
    var baseUrl =  window.location.protocol + '//' + window.location.host + '/'+ webName + '/';   
    if(isSAE){
    	baseUrl =  window.location.protocol + '//' + window.location.host + '/';
    }
    /*
	 * 当本地测试时 baseUrl = window.location.protocol + '//' + window.location.host +
	 * '/'+ webName + '/'; 如果部署到SAE, baseUrl = window.location.protocol + '//' +
	 * window.location.host + '/'; 这样IE和chrome浏览器测试都可以正常通过。
	 * 
	 */
    
	if(userName=="null"){
		window.location.href=baseUrl+"logReg.jsp?action=login";
	}else{
		$.ajax({
			type : "POST",
			url : "servlet/CartServlet",
			data : "action=add&goodsId="+goodsId+"&userName=" +userName,
			success : function(result) {
				var result= result.trim();
				if(result=="success"){	
					window.location.href=baseUrl+"shopCart.jsp";
				}else{
				}
			}
		});
	}
}
// 团购商品
function tbuy(userName,goodsId){
	if(userName=="null"){
		window.location.href="logReg.jsp?action=login";
	}else{
		$.ajax({
			type : "POST",
			url : "servlet/TCartServlet",
			data : "action=add&goodsId="+goodsId+"&userName=" +userName,
			success : function(result) {
				var result= result.trim();
				if(result=="success"){
					window.location.href="tgConfirm.jsp";
				}else{
				}
			}
		});
	}
}

// 收藏商品
function collect(userName,goodsId){
	if(userName=="null"){
		window.location.href="logReg.jsp?action=login";
	}else{
		$.ajax({
			type : "POST",
			url : "servlet/CollectServlet",
			data : "action=add&goodsId="+goodsId+"&userName=" +userName,
			success : function(result) {
				var result= result.trim();
				if(result=="success"){
					if(confirm('商品成功添加到收藏夹，需要立即查看吗？')){
						window.location.href= "user/orderHistory.jsp?action=collect";
					}
				}else if(result=="alreadyHave") {
					if(confirm('收藏夹原本就有该商品啦，需要立即查看吗？')){
						window.location.href= "user/orderHistory.jsp?action=collect";
					}
				}else{
					alert("商品添加到收藏夹失败，请重试！");
				}
			}
		});
	}
}

// MD5
var sAscii = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	var sAscii = sAscii + "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
	var sHex = "0123456789ABCDEF";
	function hex(i)
	{
	h = "";
	for(j = 0; j <= 3; j++)
	{
	h += sHex.charAt((i >> (j * 8 + 4)) & 0x0F) +
	sHex.charAt((i >> (j * 8)) & 0x0F);
	}
	return h;
	}
	/* add, handling overflows correctly */
	function add(x, y)
	{
	return ((x&0x7FFFFFFF) + (y&0x7FFFFFFF)) ^ (x&0x80000000) ^ (y&0x80000000);
	}
	/* MD5 rounds functions */
	function R1(A, B, C, D, X, S, T)
	{
	q = add(add(A, (B & C) | (~B & D)), add(X, T));
	return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
	}
	function R2(A, B, C, D, X, S, T)
	{
	q = add(add(A, (B & D) | (C & ~D)), add(X, T));
	return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
	}
	function R3(A, B, C, D, X, S, T)
	{
	q = add(add(A, B ^ C ^ D), add(X, T));
	return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
	}
	function R4(A, B, C, D, X, S, T)
	{
	q = add(add(A, C ^ (B | ~D)), add(X, T));
	return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
	}
	/* main entry point */
	function calcMD5(sInp,typemd5) {
	wLen = (((sInp.length + 8) >> 6) + 1) << 4;
	var X = new Array(wLen);
	j = 4;
	for (i = 0; (i * 4) < sInp.length; i++)
	{
	X[i] = 0;
	for (j = 0; (j < 4) && ((j + i * 4) < sInp.length); j++)
	{
	X[i] += (sAscii.indexOf(sInp.charAt((i * 4) + j)) + 32) << (j * 8);
	}
	}
	if (j == 4)
	{
	X[i++] = 0x80;
	}
	else
	{
	X[i - 1] += 0x80 << (j * 8);
	}
	for(; i < wLen; i++) { X[i] = 0; }
	X[wLen - 2] = sInp.length * 8;
	a = 0x67452301;
	b = 0xefcdab89;
	c = 0x98badcfe;
	d = 0x10325476;
	for (i = 0; i < wLen; i += 16) {
	aO = a;
	bO = b;
	cO = c;
	dO = d;
	a = R1(a, b, c, d, X[i+ 0], 7 , 0xd76aa478);
	d = R1(d, a, b, c, X[i+ 1], 12, 0xe8c7b756);
	c = R1(c, d, a, b, X[i+ 2], 17, 0x242070db);
	b = R1(b, c, d, a, X[i+ 3], 22, 0xc1bdceee);
	a = R1(a, b, c, d, X[i+ 4], 7 , 0xf57c0faf);
	d = R1(d, a, b, c, X[i+ 5], 12, 0x4787c62a);
	c = R1(c, d, a, b, X[i+ 6], 17, 0xa8304613);
	b = R1(b, c, d, a, X[i+ 7], 22, 0xfd469501);
	a = R1(a, b, c, d, X[i+ 8], 7 , 0x698098d8);
	d = R1(d, a, b, c, X[i+ 9], 12, 0x8b44f7af);
	c = R1(c, d, a, b, X[i+10], 17, 0xffff5bb1);
	b = R1(b, c, d, a, X[i+11], 22, 0x895cd7be);
	a = R1(a, b, c, d, X[i+12], 7 , 0x6b901122);
	d = R1(d, a, b, c, X[i+13], 12, 0xfd987193);
	c = R1(c, d, a, b, X[i+14], 17, 0xa679438e);
	b = R1(b, c, d, a, X[i+15], 22, 0x49b40821);
	a = R2(a, b, c, d, X[i+ 1], 5 , 0xf61e2562);
	d = R2(d, a, b, c, X[i+ 6], 9 , 0xc040b340);
	c = R2(c, d, a, b, X[i+11], 14, 0x265e5a51);
	b = R2(b, c, d, a, X[i+ 0], 20, 0xe9b6c7aa);
	a = R2(a, b, c, d, X[i+ 5], 5 , 0xd62f105d);
	d = R2(d, a, b, c, X[i+10], 9 , 0x2441453);
	c = R2(c, d, a, b, X[i+15], 14, 0xd8a1e681);
	b = R2(b, c, d, a, X[i+ 4], 20, 0xe7d3fbc8);
	a = R2(a, b, c, d, X[i+ 9], 5 , 0x21e1cde6);
	d = R2(d, a, b, c, X[i+14], 9 , 0xc33707d6);
	c = R2(c, d, a, b, X[i+ 3], 14, 0xf4d50d87);
	b = R2(b, c, d, a, X[i+ 8], 20, 0x455a14ed);
	a = R2(a, b, c, d, X[i+13], 5 , 0xa9e3e905);
	d = R2(d, a, b, c, X[i+ 2], 9 , 0xfcefa3f8);
	c = R2(c, d, a, b, X[i+ 7], 14, 0x676f02d9);
	b = R2(b, c, d, a, X[i+12], 20, 0x8d2a4c8a);
	a = R3(a, b, c, d, X[i+ 5], 4 , 0xfffa3942);
	d = R3(d, a, b, c, X[i+ 8], 11, 0x8771f681);
	c = R3(c, d, a, b, X[i+11], 16, 0x6d9d6122);
	b = R3(b, c, d, a, X[i+14], 23, 0xfde5380c);
	a = R3(a, b, c, d, X[i+ 1], 4 , 0xa4beea44);
	d = R3(d, a, b, c, X[i+ 4], 11, 0x4bdecfa9);
	c = R3(c, d, a, b, X[i+ 7], 16, 0xf6bb4b60);
	b = R3(b, c, d, a, X[i+10], 23, 0xbebfbc70);
	a = R3(a, b, c, d, X[i+13], 4 , 0x289b7ec6);
	d = R3(d, a, b, c, X[i+ 0], 11, 0xeaa127fa);
	c = R3(c, d, a, b, X[i+ 3], 16, 0xd4ef3085);
	b = R3(b, c, d, a, X[i+ 6], 23, 0x4881d05);
	a = R3(a, b, c, d, X[i+ 9], 4 , 0xd9d4d039);
	d = R3(d, a, b, c, X[i+12], 11, 0xe6db99e5);
	c = R3(c, d, a, b, X[i+15], 16, 0x1fa27cf8);
	b = R3(b, c, d, a, X[i+ 2], 23, 0xc4ac5665);
	a = R4(a, b, c, d, X[i+ 0], 6 , 0xf4292244);
	d = R4(d, a, b, c, X[i+ 7], 10, 0x432aff97);
	c = R4(c, d, a, b, X[i+14], 15, 0xab9423a7);
	b = R4(b, c, d, a, X[i+ 5], 21, 0xfc93a039);
	a = R4(a, b, c, d, X[i+12], 6 , 0x655b59c3);
	d = R4(d, a, b, c, X[i+ 3], 10, 0x8f0ccc92);
	c = R4(c, d, a, b, X[i+10], 15, 0xffeff47d);
	b = R4(b, c, d, a, X[i+ 1], 21, 0x85845dd1);
	a = R4(a, b, c, d, X[i+ 8], 6 , 0x6fa87e4f);
	d = R4(d, a, b, c, X[i+15], 10, 0xfe2ce6e0);
	c = R4(c, d, a, b, X[i+ 6], 15, 0xa3014314);
	b = R4(b, c, d, a, X[i+13], 21, 0x4e0811a1);
	a = R4(a, b, c, d, X[i+ 4], 6 , 0xf7537e82);
	d = R4(d, a, b, c, X[i+11], 10, 0xbd3af235);
	c = R4(c, d, a, b, X[i+ 2], 15, 0x2ad7d2bb);
	b = R4(b, c, d, a, X[i+ 9], 21, 0xeb86d391);
	a = add(a, aO);
	b = add(b, bO);
	c = add(c, cO);
	d = add(d, dO);
	}
	if(typemd5==32){return (hex(a) + hex(b) + hex(c) + hex(d)).toLowerCase()};
	if (typemd5==16){return (hex(b) + hex(c)).toLowerCase()};
	}